Search Results - "Carlström, Anders"

Sea Surface Roughness Determination from Grazing Angle GPS Ocean Observations and Scatterometry Simulations by Høeg, Per, Carlström, Anders

“…Measurements of grazing angle GNSS-R ocean reflections combined with meteorological troposphere data are used for retrieval of ocean wave heights and surface…”
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The GRAS-2 radio occultation mission by Rasch, Joel, Carlström, Anders, Christensen, Jacob, Liljegren, Thomas

“…The second generation of the Global navigation satellite system Receiver for Atmospheric Sounding (GRAS-2) is a radio occultation (RO) instrument which is…”
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Using A Sliding Window Phase Matching Method for Imaging of GNSS Radio Occultation Signals by Sievert, Thomas, Rasch, Joel, Carlström, Anders, Ludwig Barbosa, Vinícius, Pettersson, Mats I., Vu, Viet

“…Global Navigation Satellite System Radio Occultation (GNSS-RO) is a technique used to sound the atmosphere and derive vertical profiles of refractivity…”
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Supervised Detection of Ionospheric Scintillation in Low-Latitude Radio Occultation Measurements by Ludwig-Barbosa, Vinícius, Sievert, Thomas, Carlström, Anders, Pettersson, Mats I., Vu, Viet T., Rasch, Joel

“…Global Navigation Satellite System (GNSS) Radio Occultation (RO) has provided high-quality atmospheric data assimilated in Numerical Weather Prediction (NWP)…”
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GNSS Radio Occultation Simulation Using Multiple Phase Screen Orbit Sampling by Ludwig-Barbosa, Vinicius, Rasch, Joel, Carlstrom, Anders, Pettersson, Mats I., Vu, Viet Thuy

“…Wave optics propagators (WOPs) are commonly used to describe the propagation of radio signals through earth's atmosphere. In radio occultation (RO) context,…”
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Detection and localization of F-layer ionospheric irregularities with the back-propagation method along the radio occultation ray path by Ludwig-Barbosa, Vinícius, Rasch, Joel, Sievert, Thomas, Carlström, Anders, Pettersson, Mats I, Thuy Vu, Viet, Christensen, Jacob

“…The back-propagation (BP) method consists of diffractive integrals computed over a trajectory path, projecting a signal to different planes. It unwinds the…”
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Evaluation of Ionospheric Scintillation in GNSS Radio Occultation Measurements and Simulations by Ludwig‐Barbosa, Vinícius, Sievert, Thomas, Rasch, Joel, Carlström, Anders, Pettersson, Mats I., T. Vu, Viet

“…Like any other system relying on transionospheric propagation, Global Navigation Satellite System (GNSS) Radio Occultation (GNSS‐RO) is affected by ionospheric…”
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Analysis of reflections in GNSS radio occultation measurements using the phase matching amplitude by Sievert, Thomas, Rasch, Joel, Carlström, Anders, Pettersson, Mats Ingemar

“…It is well-known that in the presence of super-refractive layers in the lower-tropospheric inversion of GNSS radio occultation (RO) measurements using the Abel…”
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Determining the refractivity at the bottom of the atmosphere using radio occultation by Sievert, Thomas, Rasch, Joel, Carlström, Anders, Pettersson, Mats I., Viet Vu

“…High accuracy of impact height is important to get reliable Radio Occultation (RO) measurements of the atmosphere refractivity. We have made an investigation…”
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Optimization of the Array Element Layout for a Rotating Imaging Interferometer by Isernia, Tommaso, Lagana, Antonia Rita, Iero, Domenica Anna Maria, Morabito, Andrea Francesco, Carlstrom, Anders, Toso, Giovanni

“…In this paper, after a brief review on the working principles of synthetic aperture radiometers exploiting interferometry and mechanical rotation of the…”
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Detection and localization of F-layer ionospheric irregularities with the back-propagation method along the radio occultation ray path by Ludwig Barbosa, Vinícius, Rasch, Joel, Sievert, Thomas, Carlström, Anders, Pettersson, Mats, Vu, Viet Thuy, Christensen, Jacob

“…The back propagation (BP) method consists of diffractive integrals computed over a trajectory path, projecting a signal to different planes. It unwinds the…”
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Metop-GRAS in-orbit instrument performance by Bonnedal, Magnus, Christensen, Jacob, Carlström, Anders, Berg, Anders

“…The GRAS instrument on the Metop-A satellite provides more than 600 radio occultation measurement profiles per day. The instrument is characterized by its wide…”
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Strategy for determining racial and environmental similarities and differences for plasma proteins by Petersen, P H, Whicher, J T, Johnson, A M, Itoh, Y, Carlström, A B

“…The aim of this protocol is to establish a common basis for the production of reference values and well-defined and documented reference intervals for plasma…”
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MetOp GRAS: Signal tracking performance results by Bonnedal, Magnus, Lindgren, Thomas, Carlström, Anders, Christensen, Jacob

“…The GRAS radio occultation instrument on board MetOp has continuously provided measurement data during almost four years. The measurement data are here used as…”
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Transthyretin messenger ribonucleic acid expression in the pancreas and in endocrine tumors of the pancreas and gut by Jacobsson, B, Carlström, A, Platz, A, Collins, V P

“…Transthyretin (TTR) cDNA probes were used to determine the presence of TTR mRNA in Northern blots from rat, porcine, and human organs as well as from human…”
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Effect of a new international reference preparation for proteins in human serum (certified reference material 470) on results of the College of American Pathologists Surveys for plasma proteins by Johnson, A M, Whicher, J T, Ledue, T B, Carlström, A, Itoh, Y, Petersen, P H

“…To examine the impact of a new international reference preparation for serum proteins on the among-manufacturer variance in the College of American…”
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A microwave backscattering model for deformed first-year sea ice and comparisons with SAR data by Carlstrom, A.

“…Like-polarized backscattering from randomly tilted ice blocks in deformed first-year sea ice is modeled. An approximation for the coherent and incoherent…”
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Reference intervals for serum proteins: similarities and differences between adult Caucasian and Asian Indian males in Yorkshire, UK by Johnson, A Myron, Hyltoft Petersen, Per, Whicher, John T, Carlström, Anders, MacLennan, Sheila

“…The aim of this study was to investigate similarities and differences in the distribution of serum concentrations of nine proteins in two racial groups…”
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The effect of inhomogeneous roughness on radar backscattering from slightly deformed sea ice by Dierking, W., Carlstrom, A., Ulander, L.M.H.

“…This paper focuses on the spatially varying backscattering signature of an area of refrozen brash ice observed by a ship based scatterometer. The measurements…”
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C-band backscatter signatures of old sea ice in the central Arctic during freeze-up by Carlstrom, A., Ulander, L.M.H.

“…Radar backscatter signatures of old sea ice in the central Arctic have been measured and analyzed. A ship-mounted scatterometer was used to acquire…”
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